#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

int main() {
    int a;
    while (scanf("%d", &a) != EOF) {
        for (int i = 0; i < a; i++)
        {
            for (int j = 0; j < a; j++) {
                if (i == j || i + j == a - 1) {
                    printf("*");


                }
                else {
                    printf(" ");
                }
            }
            printf("\n");

        }


    }
    return 0;
}